The Seagate Exos X24 12 TB is a 3.5″ SATA 6 Gb/s enterprise drive that combines helium-sealed design, 7200 RPM performance and 256 MB/s CMR throughput for consistently low-latency I/O. With a 2.5 million-hour MTBF, standard drive-managed encryption and a 5-year limited warranty, it delivers hyperscale-ready capacity and rack-space efficiency at the lowest cost per terabyte.